Alaska Fisheries Science Center Quarterly Report : January, Febuary, March, 1994
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Alaska Fisheries Science Center Quarterly Report : January, Febuary, March, 1994
Filetype[PDF-904.58 KB]


Details:
  • Supporting Files:
    No Additional Files
    1. Filetype[PDF - 325.39 KB]
      Personal Author:
      Somerton, David
      Corporate Authors:
      United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.).
      Published Date:
      1996
      Series:
      AFSC Quarterly Report : Jan, Feb, March ; 1994
      Description:
      Swept-area estimates of groundfish biomass, the primary product of Alaska Fisheries Science Center (AFSC) bottom trawl surveys, require knowledge of the proportion offish captured within the swept area of a trawl (Q). Until recently, Q, also known as...
      File Type:
      Filetype[PDF - 325.39 KB]
    2. Filetype[PDF - 656.71 KB]
      Personal Author:
      Traynor, Jimmie John
      Corporate Authors:
      United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.).
      Published Date:
      1997
      Series:
      AFSC Quarterly Report : Jan, Feb, March ; 1994
      Description:
      Echosounders, devices which transmit sound waves and "listen" for returning echoes, have been used for fish detection since the 1930s. The use of echo integrators, which sum returning echoes, was first proposed for fish detection by Dragesund and Ols...
      File Type:
      Filetype[PDF - 656.71 KB]
    3. Filetype[PDF - 325.70 KB]
      Personal Author:
      Davis, Michael W.
      Corporate Authors:
      United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.).
      Published Date:
      2003
      Series:
      AFSC Quarterly Report : Jan, Feb, March ; 1994
      Description:
      One of the most significant issues affecting marine fisheries management today is the mortality of fish that are discarded after cap­ture or that escape from fishing gear. Fish are released after capture (bycatch) because of harvest restrictions: nu...
      File Type:
      Filetype[PDF - 325.70 KB]
    4. Filetype[PDF - 649.48 KB]
      Personal Author:
      Sinclair, E. H. (Elizabeth Hacker)
      Corporate Authors:
      United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.).
      Published Date:
      1995
      Series:
      AFSC Quarterly Report : Jan, Feb, March ; 1994
      Description:
      The Pribilof Islands population of northern fur seals (Callorhinus ursinus) is a significant component of the Bering Sea ecosystem with approximately 980,000 animals or 72% of the species' world breeding population. During June through October, the a...
      File Type:
      Filetype[PDF - 649.48 KB]

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  1. Filetype[PDF - 325.39 KB]
    Personal Author:
    Somerton, David
    Corporate Authors:
    United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.).
    Published Date:
    1996
    Series:
    AFSC Quarterly Report : Jan, Feb, March ; 1994
    Description:
    Swept-area estimates of groundfish biomass, the primary product of Alaska Fisheries Science Center (AFSC) bottom trawl surveys, require knowledge of the proportion offish captured within the swept area of a trawl (Q). Until recently, Q, also known as...
    File Type:
    Filetype[PDF - 325.39 KB]
  2. Filetype[PDF - 656.71 KB]
    Personal Author:
    Traynor, Jimmie John
    Corporate Authors:
    United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.).
    Published Date:
    1997
    Series:
    AFSC Quarterly Report : Jan, Feb, March ; 1994
    Description:
    Echosounders, devices which transmit sound waves and "listen" for returning echoes, have been used for fish detection since the 1930s. The use of echo integrators, which sum returning echoes, was first proposed for fish detection by Dragesund and Ols...
    File Type:
    Filetype[PDF - 656.71 KB]
  3. Filetype[PDF - 325.70 KB]
    Personal Author:
    Davis, Michael W.
    Corporate Authors:
    United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.).
    Published Date:
    2003
    Series:
    AFSC Quarterly Report : Jan, Feb, March ; 1994
    Description:
    One of the most significant issues affecting marine fisheries management today is the mortality of fish that are discarded after cap­ture or that escape from fishing gear. Fish are released after capture (bycatch) because of harvest restrictions: nu...
    File Type:
    Filetype[PDF - 325.70 KB]
  4. Filetype[PDF - 1.02 MB]
    Personal Author:
    Steven, Bradley
    Corporate Authors:
    United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.). Kodiak Marine Fisheries Laboratory.
    Published Date:
    1993
    Series:
    AFSC Quarterly Report : Jan, Feb, March ; 1993
    Description:
    Any scientist who has conducted trawl surveys has first hand knowledge that most organisms are not randomly distributed throughout their environments. This is especially true for crabs. Many tows produce few or no crabs at all, while some will plug t...
    File Type:
    Filetype[PDF - 1.02 MB]
  5. Filetype[PDF - 649.48 KB]
    Personal Author:
    Sinclair, E. H. (Elizabeth Hacker)
    Corporate Authors:
    United States. National Marine Fisheries Service. Alaska Fisheries Science Center (U.S.).
    Published Date:
    1995
    Series:
    AFSC Quarterly Report : Jan, Feb, March ; 1994
    Description:
    The Pribilof Islands population of northern fur seals (Callorhinus ursinus) is a significant component of the Bering Sea ecosystem with approximately 980,000 animals or 72% of the species' world breeding population. During June through October, the a...
    File Type:
    Filetype[PDF - 649.48 KB]